I'm developing Qpackt (https://github.com/qpackt/qpackt): an open source web server with A/B testing capabilities. This is mainly to scratch my own itch, but I wouldn't mind if it got popular. There are no paid extras or anything so the easiest way to validate it is to try to get GitHub stars.
Getting the first 10 stars was a lot more difficult than I thought. I expected that I can get this within a week, and all it would take would be a few posts about my project on a couple of forums. Not so easy. So here's the list of sites I've posted about it:
Other stuff I did:
What I haven't tried yet:
Traffic stats 22nd Feb - 6th March:
+------------------------------------+--------+----------------------+
| Source | Views | Unique Visitors |
+------------------------------------+--------+----------------------+
| m.facebook.com | 140 | 9 |
| qpackt.com | 79 | 11 |
| l.facebook.com | 72 | 18 |
| 4programmers.net | 71 | 5 |
| lm.facebook.com | 48 | 8 |
| reddit.com | 47 | 30 |
| github.com | 19 | 4 |
| news.ycombinator.com | 17 | 14 |
| users.rust-lang.org | 13 | 4 |
| t.co | 13 | 2 |
+------------------------------------+---------+---------------------+